A153690 Greatest number m such that the fractional part of (11/10)^A153686(n) <= 1/m.

10, 4, 3, 18, 253, 58, 618, 484, 6009, 6767, 21386, 697723, 634293, 189959, 4186162, 31102351

Offset

1,1

Links

Table of n, a(n) for n=1..16.

Formula

a(n) = floor(1/fract((11/10)^A153686(n))), where fract(x) = x - floor(x).

Example

a(4) = 18 since 1/19 < fract((11/10)^A153686(4)) = fract((11/10)^17) = 0.05447... <= 1/18.

Crossrefs

Cf. A153662, A153670, A153678, A153686, A154130, A153698, A153706, A153714, A153722.

Sequence in context: A113315 A081986 A063566 * A018811 A309707 A100844

Adjacent sequences: A153687 A153688 A153689 * A153691 A153692 A153693

Keyword

nonn,more

Author

Hieronymus Fischer, Jan 06 2009

Extensions

a(14)-a(16) from Jinyuan Wang, Mar 03 2020

Status

approved